how to make java atm program in java using method by Muhammad Waseem Haider

class at{

int acc_id;

String acc_name;

int amount;

    public void insert(int id,String aname,int m){

    acc_id=id;

    acc_name=aname;

    amount=m;

    }

public void deposit(int amt){

amount=amount+amt;

System.out.println("Sucessfull amount has been deposte"+amount);

}

public void drawblance(int amt){

     if(amount<amt){

      System.out.println("Sorry Insufficient Balance ");

     }else{

      amount=amount-amt;

      System.out.println("Sucessfull is draw money "+amt);

     }

    

}

public void checkblance(){

System.out.println("Your Account Blance is "+amount);

}

public void disp(){

   

   System.out.println("Your Account ID Is  "+acc_id+" Your Name IS   "+acc_name+" Account Blance Is "+amount);

}

}

class atm{

public static void main(String[] args) {

System.out.println("Welcome to Haider atm system ");

at s=new at();

s.insert(101,"Muhammad Waseem Haider",1000);

s.disp();

}

}